title: Uric acid and allantoin levels in Down syndrome: antioxidant and oxidative stress mechanisms?
mesh_terms: D000293:Adolescent; D000375:Aging / Q000378:metabolism; D000481:Allantoin / Q000097:blood*; D000975:Antioxidants / Q000378:metabolism*; D002648:Child; D002851:Chromatography, High Pressure Liquid; D004314:Down Syndrome / Q000097:blood*; D005260:Female; D006801:Humans; D019271:Hypoxanthine / Q000097:blood; D007202:Indicators and Reagents; D008297:Male; D018384:Oxidative Stress / Q000502:physiology*; D012015:Reference Standards; D013056:Spectrophotometry, Ultraviolet; D014527:Uric Acid / Q000097:blood*; D019820:Xanthine / Q000097:blood
chemical_list: D000975:Antioxidants; D007202:Indicators and Reagents; D019820:Xanthine; D014527:Uric Acid; D019271:Hypoxanthine; D000481:Allantoin